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ASQ CRE Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Reliability Fundamentals | 15% | - Ethics and Compliance - Leadership and Strategic Management - Life-cycle Reliability Concepts - Reliability Program Planning and Integration |
| Topic 2: Maintainability and Availability | 5% | - Maintainability Concepts - Maintenance Strategies - Availability Modeling |
| Topic 3: Reliability in Design and Development | 17% | - Design for Reliability - Fault Tree Analysis (FTA) - Failure Mode and Effects Analysis (FMEA) - Reliability Prediction and Allocation |
| Topic 4: Probability and Statistics for Reliability | 23% | - Basic Probability Theory - Statistical Inference and Estimation - Statistical Distributions - Data Collection and Analysis |
| Topic 5: Reliability Testing | 15% | - Test Planning and Strategy - Field Data Analysis - Reliability Demonstration Testing - Accelerated Life Testing |
| Topic 6: Failure Analysis and Corrective Action | 10% | - Root Cause Analysis - Corrective and Preventive Action - Failure Analysis Methods - FRACAS Implementation |
| Topic 7: Reliability Modeling and Prediction | 15% | - Component and Part Reliability - Maintainability and Availability - Software Reliability - System Reliability Models |
ASQ Certified Reliability Engineer (CRE) Sample Questions:
1. Which of the following tools are classified as structured root cause analysis tools?
I. 5P.
II. 7D, 8D or 9D problem solving.
III. Management oversight and risk tree analysis (MORT).
IV. Human performance evaluation system (HPE)
Response:
A) I, II, III and IV
B) II and III only
C) I only
D) I, II and IV only
2. A satellite has two redundant control systems, each has a failure rate (lambda) = 1×10 -6 failures/hour. If one of the systems fails, the failure rate for the remaining system increases to 2×10 -5 failures/hour.
What is the reliability of the redundant control systems at 175,000 hours?
Response:
A) 0.7796
B) 0.2507
C) 0.690
D) 0.8609
3. What is the minimum number of failure free trips that one must make in their car to be at least 95% confident it is 95% reliable?
Response:
A) 45
B) 58
C) 102
D) 22
4. Human factors are important considerations when designing for reliability because:
I. Habits are sometimes difficult to change.
II. Conditions such as lighting and heating influence performance.
III. Weak parts must be easily replaceable.
IV. Age and skill can limit one's ability to use equipment correctly.
Response:
A) I, II, III and IV
B) I and III only
C) II and III only
D) II, III and IV only
5. When a bathtub curve is used, one characteristic of the flat center portion of the curve is that during this period Response:
A) There can be only one type of failure in the system.
B) The equipment can be considered highly reliable.
C) The time of the next failure is predictable from the time of the last failure.
D) The reliability of the system can be expressed as an exponential function
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: D |




